MODEL128 [VISHAY]

1 1/16 (27 mm) Single Turn Conductive Plastic Precision Potentiometer; 1 1/16 （27 MM）单圈导电塑料精密电位器


型号：	MODEL128
厂家：	VISHAY
描述：	1 1/16 (27 mm) Single Turn Conductive Plastic Precision Potentiometer 1 1/16 （27 MM）单圈导电塑料精密电位器电位器
文件：	总4页 (文件大小：255K)
中文：	中文翻译
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Model 128

Vishay Spectrol

1 ¹/₁₆" (27 mm) Single Turn Conductive Plastic

Precision Potentiometer

FEATURES

• 1 ¹/₁₆" round

• Bushing mount and servo mount types

RoHS

COMPLIANT

• Designed for high reliability applications

• Ohmic value range: 500 Ω to 50 kΩ

• Rotational life exceeds 20 million shaft revolutions

• Virtually infinite resolution

• Up to 6 sections available

• Co-molded track and multi-finger wiper provide low noise

signal

ELECTRICAL SPECIFICATIONS

PARAMETER

STANDARD

SPECIAL

Total Resistance:

Tolerance

500 Ω to 50 kΩ

10 %

5 %

Linearity (Independent)

Electrical Angle

0.5 %

0.15 %

345° 4°

Power Rating

Section 1:

1.25 W at 70 °C ambient, derated to zero at 125 °C ambient

75 % of the rating of section 1

0.1 % maximum

Additional Section:

Output Smoothness

Insulation Resistance

Dielectric Strength

Phasing (CCW End Points)

Temperature Coefficient of Resistance

Taps (Extra)

1000 MΩ min, 500 V_DC

1000 V_RMS, 60 Hz

Points at which output ratio is 0.5 aligned 1° (ref. section 1)

400 ppm/°C maximum

Extra taps available as special

ORDERING INFORMATION/DESCRIPTION

The Model 128 can be ordered from this data sheet with a variety of alternate characteristics, as shown above. For most rapid service on

your order, please state:

128

BO1

MODEL

MOUNTING

NUMBER OF SECTIONS

Up to 6

TOTAL RESISTANCE OF EACH SECTION

PACKAGING

Box of 1 piece

B: Bushing

S: Servo

Beginning with the section nearest the

mounting end

Other characteristics will be standard as described on this data sheet. If special characteristics are required, such as: special linearity

tolerance, special resistance tolerance, extra taps, non-linear functions, etc., please state these on your order and allow additional lead time

for delivery.

SAP PART NUMBERING GUIDELINES

128

103

102

203

B01

MODEL

STYLE

GANGS

OHMIC VALUE

PACKAGING

GANG N^O

10K

GANG N^O

20K

B: Bushing

S: Servo

From 1 up to 6

Box of 1 piece

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For technical questions, contact: sfer@vishay.com

Document Number: 57037

Revision: 04-Jul-07

Model 128

Vishay Spectrol

1 ¹/₁₆" (27 mm) Single Turn Conductive Plastic

Precision Potentiometer

DIMENSIONS in inches (millimeters)

0.010

BUSHING MOUNT: 128 B

0.687

0.031

(17.45)

0.875

(22.22)

0.015

0.375

(9.52)

0.308 MIN.

30°

TYP.

(7.82)

+ 0.0000

- 0.0003

0.062

(1.57)

Ø 0.1248

(3.17)

+ 0.0000

- 0.0010

Ø 0.4062

(10.32)

0.015

Ø 1.062

(26.97)

₈32 UNEF - 2A

R 0.735 MAX.

MTG. FACE

(18.67)

SERVO MOUNT: 128 S

0.031

0.308 MIN.

(7.82)

0.500

(12.70)

0.062

(1.57)

0.062

(1.57)

0.062

(1.57)

+ 0.0000

Ø 0.9688 ^{- 0.0005}

(24.61)

ADD 0.782 0.002 (19.86) FOR EACH

ADDITIONAL SECTION

0.015

Ø 1.062

(26.97)

Ø 1.062

(26.97)

SCHEMATIC

TOLERANCES: UNLESS OTHERWISE NOTED.

DECIMALS 0.005 ANGLES 2°

+ 0.0000

Ø 0.1248 ^{- 0.0003}

(3.17)

Ø 0.968 MAX.

(24.58)

MTG. FACE

MECHANICAL SPECIFICATIONS

PARAMETER

Rotation

360° continuous

SERVO MOUNT

Ball bearing

BUSHING MOUNT

Sleeve bearing

Bearing Type

Torque (Maximum)

Servo, 1 Section

Bushing, 1 Section

Each Additional Section

STARTING

RUNNING

0.25 oz. - in (18.0 g - cm)

0.30 oz. - in (21.6 g - cm)

0.20 oz. - in (14.4 g - cm)

0.15 o.z - in (10.8 g - cm)

0.25 oz. - in (18.0 g - cm)

0.15 oz. - in (10.8 g - cm)

Mechanical Runouts (Maximum)

Shaft Runout (TIR/in)

Pilot Dia. Runout (TIR/in)

Lateral Runout (TIR)

Shaft End Play

SERVO

BUSHING

0.002" (0.05 mm)

0.005" (0.13 mm)

0.002" (0.05 mm)

0.005" (0.13 mm)

0.003" (0.08 mm)

Shaft Radial Play

Weight (Maximum):

Single Section

Each Additional Section

0.8 oz. (22.7 g)

0.4 oz. (11.3 g)

Ganging

6 sections maximum, terminal alignment, added sections, within 10° of section 1 terminals

0.12 g - cm²per section maximum

Moment of Inertia

Document Number: 57037

Revision: 04-Jul-07

For technical questions, contact: sfer@vishay.com

www.vishay.com

Model 128

Vishay Spectrol

1 ¹/₁₆" (27 mm) Single Turn Conductive Plastic

Precision Potentiometer

MATERIAL SPECIFICATIONS

ENVIRONMENTAL SPECIFICATIONS

Housing and Lids

Aluminum, anodized

Vibration

15 g thru 2000 Hz

Shock

50 g

96 h

Stainless steel, non-magnetic

non-passivated

Shaft

Salt Spray

Terminals

Brass plated for solderability

Servo: 20 million shaft revolutions

Bushing: 5 million shaft revolutions

Rotational Life

Bushing Mount Hardware

Lockwasher Internal Tooth,

Panel Nut:

Load Life

900 h

Steel, nickel plated

Brass, nickel plated

Temperature Range

- 55 °C to + 125 °C

MECHANICAL SPECIFICATIONS

Unit

Identification

Units shall be marked with Vishay Spectrol name, model number and data code on each

section, resistance, resistance tolerance, linearity and terminal identification

POWER RATING CHART

(Ratings for cup No. 1.

RESISTANCE ELEMENT DATA

Additional cups 75 % of values shown)

RESISTANCE

VALUES

(Ω)

MAXIMUM VOLTAGE

APPLICABLE

(V)

2.0

500

1.5

1.0

0.5

10K

20K

50K

112

158

250

20 40

60 80 100 120 140 160

AMBIENT TEMPERATURE IN °C

www.vishay.com

For technical questions, contact: sfer@vishay.com

Document Number: 57037

Revision: 04-Jul-07

Legal Disclaimer Notice

Vishay

Disclaimer

All product specifications and data are subject to change without notice.

Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf

(collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein

or in any other disclosure relating to any product.

Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any

information provided herein to the maximum extent permitted by law. The product specifications do not expand or

otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed

therein, which apply to these products.

No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this

document or by any conduct of Vishay.

The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless

otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such

applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting

from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding

products designed for such applications.

Product names and markings noted herein may be trademarks of their respective owners.

Document Number: 91000

Revision: 18-Jul-08

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